C2221333133313331311233132313331333133313331333133313231311331333112131   >>    C222133313331333131123313231333133313331333133313331323131133133311213   <<    C2221333133313331311233132313331333133313331333133313231311331333112133   >>      C2221333133313331311233132313331333133313331333133313231311331333112132   >>